Extract and test makeCosmoshubPath

packages/launchpad/src/index.ts

@@ -124,6 +124,7 @@ export {
   MsgWithdrawDelegatorReward,
   MsgWithdrawValidatorCommission,
 } from "./msgs";
+export { makeCosmoshubPath } from "./paths";
 export {
   decodeAminoPubkey,
   decodeBech32Pubkey,
@@ -137,6 +138,6 @@ export { AccountData, Algo, AminoSignResponse, OfflineSigner } from "./signer";
 export { CosmosFeeTable, SigningCosmosClient } from "./signingcosmosclient";
 export { isStdTx, isWrappedStdTx, makeStdTx, CosmosSdkTx, StdTx, WrappedStdTx, WrappedTx } from "./tx";
 export { pubkeyType, PubKey, StdFee, StdSignature } from "./types";
-export { makeCosmoshubPath, executeKdf, KdfConfiguration } from "./wallet";
+export { executeKdf, KdfConfiguration } from "./wallet";
 export { extractKdfConfiguration, Secp256k1HdWallet } from "./secp256k1hdwallet";
 export { Secp256k1Wallet } from "./secp256k1wallet";

packages/launchpad/src/lcdapi/lcdclient.spec.ts

@@ -6,6 +6,7 @@ import { isBroadcastTxFailure } from "../cosmosclient";
 import { makeSignDoc } from "../encoding";
 import { parseLogs } from "../logs";
 import { MsgSend } from "../msgs";
+import { makeCosmoshubPath } from "../paths";
 import { Secp256k1HdWallet } from "../secp256k1hdwallet";
 import { SigningCosmosClient } from "../signingcosmosclient";
 import cosmoshub from "../testdata/cosmoshub.json";
@@ -21,7 +22,6 @@ import {
 } from "../testutils.spec";
 import { isWrappedStdTx, makeStdTx, StdTx } from "../tx";
 import { StdFee } from "../types";
-import { makeCosmoshubPath } from "../wallet";
 import { setupAuthExtension } from "./auth";
 import { TxsResponse } from "./base";
 import { LcdApiArray, LcdClient } from "./lcdclient";

packages/launchpad/src/paths.spec.ts

@@ -0,0 +1,26 @@
+import { Slip10RawIndex } from "@cosmjs/crypto";
+
+import { makeCosmoshubPath } from "./paths";
+
+describe("paths", () => {
+  describe("makeCosmoshubPath", () => {
+    it("works", () => {
+      // m/44'/118'/0'/0/0
+      expect(makeCosmoshubPath(0)).toEqual([
+        Slip10RawIndex.hardened(44),
+        Slip10RawIndex.hardened(118),
+        Slip10RawIndex.hardened(0),
+        Slip10RawIndex.normal(0),
+        Slip10RawIndex.normal(0),
+      ]);
+      // m/44'/118'/0'/0/123
+      expect(makeCosmoshubPath(123)).toEqual([
+        Slip10RawIndex.hardened(44),
+        Slip10RawIndex.hardened(118),
+        Slip10RawIndex.hardened(0),
+        Slip10RawIndex.normal(0),
+        Slip10RawIndex.normal(123),
+      ]);
+    });
+  });
+});

packages/launchpad/src/paths.ts

@@ -0,0 +1,15 @@
+import { HdPath, Slip10RawIndex } from "@cosmjs/crypto";
+
+/**
+ * The Cosmos Hub derivation path in the form `m/44'/118'/0'/0/a`
+ * with 0-based account index `a`.
+ */
+export function makeCosmoshubPath(a: number): HdPath {
+  return [
+    Slip10RawIndex.hardened(44),
+    Slip10RawIndex.hardened(118),
+    Slip10RawIndex.hardened(0),
+    Slip10RawIndex.normal(0),
+    Slip10RawIndex.normal(a),
+  ];
+}

packages/launchpad/src/secp256k1hdwallet.ts

@@ -15,6 +15,7 @@ import { assert, isNonNullObject } from "@cosmjs/utils";
 
 import { rawSecp256k1PubkeyToAddress } from "./address";
 import { serializeSignDoc, StdSignDoc } from "./encoding";
+import { makeCosmoshubPath } from "./paths";
 import { encodeSecp256k1Signature } from "./signature";
 import { AccountData, AminoSignResponse, OfflineSigner } from "./signer";
 import {
@@ -23,7 +24,6 @@ import {
   EncryptionConfiguration,
   executeKdf,
   KdfConfiguration,
-  makeCosmoshubPath,
   supportedAlgorithms,
 } from "./wallet";
 

packages/launchpad/src/signingcosmosclient.spec.ts

@@ -5,6 +5,7 @@ import { Coin, coin, coins } from "./coins";
 import { assertIsBroadcastTxSuccess, PrivateCosmosClient } from "./cosmosclient";
 import { GasPrice } from "./gas";
 import { MsgDelegate, MsgSend } from "./msgs";
+import { makeCosmoshubPath } from "./paths";
 import { Secp256k1HdWallet } from "./secp256k1hdwallet";
 import { PrivateSigningCosmosClient, SigningCosmosClient } from "./signingcosmosclient";
 import {
@@ -14,7 +15,6 @@ import {
   makeRandomAddress,
   pendingWithoutLaunchpad,
 } from "./testutils.spec";
-import { makeCosmoshubPath } from "./wallet";
 
 describe("SigningCosmosClient", () => {
   describe("makeReadOnly", () => {

packages/launchpad/src/wallet.ts

@@ -1,28 +1,12 @@
 import {
   Argon2id,
-  HdPath,
   isArgon2idOptions,
   Random,
-  Slip10RawIndex,
   xchacha20NonceLength,
   Xchacha20poly1305Ietf,
 } from "@cosmjs/crypto";
 import { toAscii } from "@cosmjs/encoding";
 
-/**
- * The Cosmoshub derivation path in the form `m/44'/118'/0'/0/a`
- * with 0-based account index `a`.
- */
-export function makeCosmoshubPath(a: number): HdPath {
-  return [
-    Slip10RawIndex.hardened(44),
-    Slip10RawIndex.hardened(118),
-    Slip10RawIndex.hardened(0),
-    Slip10RawIndex.normal(0),
-    Slip10RawIndex.normal(a),
-  ];
-}
-
 /**
  * A fixed salt is chosen to archive a deterministic password to key derivation.
  * This reduces the scope of a potential rainbow attack to all CosmJS users.